Word Press E-Commerce Plugin

Word Press E-Commerce Plugin I need an easy to use word press e-commerce plug in that will embed easily and simply with Word Press. No CSS or Back end add ins please, all should just be clicks and ticks in the plugin panel. Functionality should be similar to TheCartPress ([login to view URL]) or MarketPress ([login to view URL]) I will require it to upload products as simple as you would upload a post 1. With Product Descriptions 2. Product image and multiple images that can pop up and show the pictures 3. Thumbnail pictures in a shop view with different displays, list view, grid view etc 4. Shop view should have add to cart by thumbnails (I should be able to change the display for example, 4 items per line, 6 items per line etc) 5. Shop view should be able to show products randomly, from selected categories, all categories etc 6. Payment gateway to be via paypal, manual payment, bank transfer, or contact us for payment details while order is pending I will be require step by step instruction to install, use and make changes after you configure on one of my projects to start with. This is urgent.